Subversion Repositories filter_foundry

/*

    This file is part of a common library

    Copyright (C) 2002-6 Toby Thain, toby@telegraphics.com.au

    This program is free software; you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by

    the Free Software Foundation; either version 2 of the License, or

    (at your option) any later version.

    This program is distributed in the hope that it will be useful,

    but WITHOUT ANY WARRANTY; without even the implied warranty of

    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License

    along with this program; if not, write to the Free Software

    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/

#include <string.h>

#include <stdlib.h>

#include "str.h"

#include "sprintf_tiny.h"

// convert C (null-terminated) to Pascal (length byte) string

// no bounds checking

unsigned char *myc2pstr(char *s){

        size_t n = strlen(s);

        memmove(s+1,s,n);

        *s = (unsigned char)n;

        return (unsigned char*)s;

}

// convert Pascal string to C string

// no bounds checking

char *myp2cstr(unsigned char *s){

        int n = *s;

        memmove(s,s+1,n);

        s[n] = 0;

        return (char*)s;

}

// copy Pascal string to C string

// no bounds checking

char *myp2cstrcpy(char *dst,const unsigned char *src){

        memcpy(dst,src+1,src[0]);

        dst[src[0]] = 0;

        return dst;

}

// copy C string to Pascal string

unsigned char *myc2pstrcpy(unsigned char *dst,const char *src){

        size_t n = strlen(src);

        *dst = n <= 255 ? (unsigned char)n : 255;

        memcpy(dst+1,src,*dst);

        return dst;

}

// copy null-terminated string;

// returns pointer after last character copied

char *cat(char *d,char *s){

        while( (*d = *s++) )

                d++;

        return d;

}

/*

void *my_memset(void *dst, int val, size_t len){

        char *p;

        for(p=(char*)dst;len--;)

                *p++ = val;

        return dst;

}

*/

// my_strdup() is like _strdup(), with the difference that it accepts "char*" instead of "const char*" as argument

char *my_strdup(char *s){

        size_t n = strlen(s);

        char *p = (char*)malloc(n+1);

        if(p)

                memcpy(p,s,n+1);

        return p;

}

// DM 03.12.2021 removed, because it is not used in Filter Foundry

/*

unsigned char *PLcstrcpy(unsigned char *s1,const char *s2){

        size_t n = strlen(s2);

        if(n>255)

                n = 255;

        memcpy(s1+1,s2,n);

        *s1 = (unsigned char)n;

        return s1;

}

*/

// DM 03.12.2021 removed, because it is not used in Filter Foundry

/*

unsigned char *PLcstrcat(unsigned char * str1,const char * s2){

        size_t n = strlen(s2);

        if(str1[0]+n > 255)

                n = 255 - str1[0];

        memcpy(str1+1+str1[0],s2,n);

        str1[0] += (unsigned char)n;

        return str1;

}

*/